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Radiation Protection Dosimetry Advance Access originally published online on August 12, 2006
Radiation Protection Dosimetry 2007 123(1):32-35; doi:10.1093/rpd/ncl088
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© The Author 2006. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Preparation and investigation of thermoluminescence properties of CaSO4:Tm,Cu

I. Kása1,*, R. Chobola2, P. Mell3, S. Szakács4 and A. Kerekes4

1 SOMOS Environmental Protection Ltd, Jókai Mór Street 42, H-1223 Budapest, Hungary
2 Institute of Isotopes, Chemical Research Center of the Hungarian Academy of Sciences, P.O. Box 77, H-1525 Budapest, Hungary
3 SSNS Institute for Expert Services, P.O. Box 710/3, H-1399 Budapest, Hungary
4 Frédéric Joliot-Curie National Research Institute for Radiobiology and Radiohygenie, P.O. Box 101, H-1775 Budapest, Hungary

* Corresponding author: ikasa{at}mail.bme.hu

Received March 29, 2006, amended May 22, 2006, accepted June 4, 2006


   Abstract

A new sort of thermoluminescent phosphor has been developed with the purpose of enlarging the range of linear dose–response. The thermoluminescence properties of CaSO4:Tm,Cu, prepared according to our method, were studied in the dose range of 0.5 Gy–125.0 kGy. The results of the present work show that the CaSO4:Tm,Cu is an excellent new dosimetric material due to its relatively simple glow curve, as a consequence of its simple trap system. Several applications are possible in dosimetry due to its wide range of linearity (2 x 10–6 to 2 x 103 Gy), from environmental and space dosimetry to accidental and high-dose irradiation, e.g. gamma irradiation facilities, electron accelerators, nuclear power plants, radiotherapy, medical physics, and so on.


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